Books about Human-alien encounters -- Fiction (sorted by popularity)
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Madmen of Mars
Erik Fennel
136 downloads
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Citadel of the Star Lords
Edmond Hamilton
136 downloads
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A Gift For Terra
Fox B. Holden
136 downloads
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Grounded
William Sambrot
136 downloads
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Battle for the Stars
Edmond Hamilton
136 downloads
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The Star Beast
Damon Knight
136 downloads
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Operation Terror
Murray Leinster
135 downloads
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Heel
Philip José Farmer
135 downloads
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A Transmutation of Muddles
H. B. Fyfe
135 downloads
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Advance Agent
Christopher Anvil
134 downloads
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Shock Troop
Richard Bolton
134 downloads
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Planet of the Gods
Robert Moore Williams
133 downloads
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Big Stupe
Charles V. De Vet
133 downloads
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Peril of the Blue World
Robert Abernathy
133 downloads
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The Blue Behemoth
Leigh Brackett
133 downloads
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Combatman
John Massie Davis
133 downloads
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From outer space
Robert Zacks
133 downloads
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A Gift from Earth
Manly Banister
132 downloads
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A Matter of Protocol
Jack Sharkey
132 downloads
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Founding Father
Jesse F. Bone
131 downloads
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Quinquepedalian
Piers Anthony
131 downloads
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Survival Type
Jesse F. Bone
130 downloads
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Lumen
Camille Flammarion
130 downloads
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The Good Seed
Mack Reynolds
130 downloads
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Tourists to Terra
Mack Reynolds
130 downloads
